Formatted for Mac and compatible with Apple® TimeMachine™ this drive is plug-and-play ready for Mac computer users.

See your life safe in one place.

WD SmartWare software - A visual control center with a single screen view of all your data. From it you can back up, retrieve, and secure your files.

Password protection.

An extra level of security with password protection and 256-bit hardware-based encryption.

Overview

Our best-selling My Book external drive is an elegant, high-capacity storage solution for all the chapters of your digital life. Our latest edition, formatted for Mac, now features visual, easy-to-use, automatic, continuous backup software and drive lock security protection. At last, beauty, brains, and simplicity together.

Smaller, sleeker, more streamlined design -
We've made these award-winning drives even smaller, sleeker, and more elegant. As always, this book-like shape takes up minimal space on your desk and allows two or more My Book drives to nestle neatly together like volumes on a shelf.

Designed for Mac -
Formatted for Mac and compatible with Apple® Time Machine™, this drive is plug-and-play ready for Mac computer users.

WD SmartWare -
See your life safe in one place.

See your backup as it happens – Seeing is believing. Visual backup displays your content in categories and shows the progress of your backup.

Protect your data automatically – Relax, your data is secure. Automatic, continuous backup will instantly make a second copy whenever you add or change a file.

Bring back lost files effortlessly – Retrieve your valuable data to its original location whether you've lost all your data or just overwritten an important file.

Take control – Customize your backup, set drive security, run diagnostics, manage the power settings, and more from the WD SmartWare control center.

Power miser -
My Book external drives are designed to save energy. WD GreenPower Technology™ lowers internal drive power consumption by up to 30%, a sleep mode reduces power during idle times, and a power-saving feature turns the drive on and off with your computer.

Planet friendly -
We designed a small retail box from recycled materials to minimize waste. We encourage you to recycle it.

As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. As used for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second, megabit per second (Mb/s) = one million bits per second, and gigabit per second (Gb/s) = one billion bits per second.

*Receive free standard shipping (UPS Ground) on purchases over $100 (excluding tax and shipping charges) at the WD Store. Offer not valid for addresses in Hawaii or Alaska. The WD Store reserves the right to change or discontinue this offer at any time.